Windows XP Service Pack 3 is now available for download
Microsoft Windows XP Service Pack 3 (SP3) stand alone is now available for download. SP3 includes all previously released updates plus a small number of new updates. Windows XP SP2 was released in August 2004. Since then, Microsoft has released hundreds of updates. Windows XP SP3 includes all of these updates.
SP3 does not include significant Windows Vista functionality. However, SP3 does include Network Access Protection (NAP). Further, Windows XP SP3 does not include Internet Explorer 7.